* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
li {
  list-style: none;
}
a {
  text-decoration: none;
}
html,
body {
  width: 100%;
  height: 100%;
}
header {
  width: 100%;
  height: 10%;
  background-color: #000;
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.head-one {
  height: 100%;
}
.head-one img {
  height: 100%;
}
.head-two {
  width: 600px;
  display: flex;
  justify-content: space-around;
  text-align: center;
  color: white;
}
.head-two li:hover {
  color: orange;
}
.head-two li:nth-child(4) {
  color: orange;
}
.head-two li:nth-child(3) {
  color: orange;
}
.btn {
  width: 100px;
  height: 40px;
  background-color: orange;
  border: 1px solid transparent;
  color: white;
}
.box1 {
  width: 100%;
  height: 90%;
  overflow: auto;
}
.center {
  width: 100%;
  height: 100%;
  position: relative;
}
.video {
  /* width: 100%;
  height: 100%; */
  /* position: absolute; */
  object-fit: fill;
}
.hua {
  display: flex;
}
.hua div {
  overflow: hidden;
  width: 33.33%;
  /* flex: 1; */
}
.hua div:hover {
  width: 55%;
  transition: all 1s;
}
.jlt1 {
  position: absolute;
  z-index: 5;
  width: 166px;
  height: 100px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background-image: url("./img/5.png");
  background-position: 0px 0px;
  /* background-size: 100% 100%; */
}
.page {
  position: relative;
}
.click {
  width: 20px;
  height: 20px;
  background-color: #fff;
  position: absolute;
  top: 70%;
  left: 60%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  box-shadow: 0 0 5px 5px;
  animation: animation 1s linear infinite forwards;
}
.click1 {
  width: 30px;
  height: 30px;
  border: 1px solid #fff;
  position: absolute;
  top: 70%;
  left: 60%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  box-shadow: 0 0 5px 5px;
  animation: animation 1s linear infinite forwards;
  animation-delay: 0.4s;
}
.click2 {
  width: 40px;
  height: 40px;
  border: 1px solid #fff;
  position: absolute;
  top: 70%;
  left: 60%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  box-shadow: 0 0 5px 5px;
  animation: animation 1s linear infinite forwards;
  animation-delay: 0.8s;
}
.click3 {
  width: 50px;
  height: 50px;
  border: 1px solid #fff;
  position: absolute;
  top: 70%;
  left: 60%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  box-shadow: 0 0 5px 5px;
  animation: animation 1s linear infinite forwards;
  animation-delay: 1.2s;
}
@keyframes animation {
  0% {
    width: 8px;
    height: 8px;
  }
  30% {
    width: 10px;
    height: 10px;
    opacity: 1;
  }
  50% {
    width: 20px;
    height: 20px;
    opacity: 1;
  }
  70% {
    width: 40px;
    height: 40px;
    opacity: 1;
  }
  100% {
    width: 70px;
    height: 70px;
    opacity: 0.3;
  }
}
.center-right {
  position: absolute;
  width: 570px;
  height: 280px;
  top: 28%;
  right: 20px;
  /* background-color: #fff; */
  z-index: 9;
}
.center-right div {
  width: 100%;
  height: 50%;
}
.center-right div:nth-child(1) {
  background-image: url("./img/spear.png");
  background-position: 0px 0px;
}
.center-right div:nth-child(2) {
  background-image: url("./img/spear.png");
  background-position: 0px -155px;
}
.changeBox{
  width: 200px;
  height: 150px;
  /* background-color: pink; */
  position: absolute;
  top: 400px;
  left: 50%;
  transform: translate(-50%);
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.changeBoxFont{
  font-size: 30px;
}
.bigBox{
  width: 100%;
  height: 100%;
  position: absolute;
  top: -245px;
  left: 0px;
}
.showFlag1{
  position: absolute;
  top: 200px;
  left: 0px;
  transition: all 1.7s;
  opacity: 0;
}
.showFlag2{
  position: absolute;
  top: 200px;
  left: 0px;
  transition: all 1.7s;
  opacity: 1;
}
